1313123041 has 8 divisors (see below), whose sum is σ = 1388328480. Its totient is φ = 1238527008.

The previous prime is 1313123039. The next prime is 1313123059. The reversal of 1313123041 is 1403213131.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1313123041 - 2¹ = 1313123039 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is not an unprimeable number, because it can be changed into a prime (1313123011) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 147916 + ... + 156541.

It is an arithmetic number, because the mean of its divisors is an integer number (173541060).

Almost surely, 2^1313123041 is an apocalyptic number.

It is an amenable number.

1313123041 is a deficient number, since it is larger than the sum of its proper divisors (75205439).

1313123041 is a wasteful number, since it uses less digits than its factorization.

1313123041 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 304703.

The product of its (nonzero) digits is 216, while the sum is 19.

The square root of 1313123041 is about 36237.0396279829. The cubic root of 1313123041 is about 1095.0530032794.

Adding to 1313123041 its reverse (1403213131), we get a palindrome (2716336172).

The spelling of 1313123041 in words is "one billion, three hundred thirteen million, one hundred twenty-three thousand, forty-one".